Migrate 25 crates to monorepo. am: 49da616071

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/rayon/+/3248914

Change-Id: I9cb03051d43027237d02d495bfa297d17a10d081
Signed-off-by: Automerger Merge Worker <[email protected]>